Just a short movie with planes taking off (in background) from nearby Okęcie Airport in Warsaw, Poland. This was a perfect situation and good reason to show .\rbr\rbr\rbr\rbrI dont have a professional tool to measure it but this program is pretty good and precise. I had the opportunity to compare it with a real decibel meter once and .\rbr\rbrI dont have a professional tool to measure it but this program is pretty good and precise. I had the opportunity to compare it with a real decibel meter once and .